package com.caifeng.loginrember;

import android.content.Context;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class FileSave {

    public static boolean saveUserInfo(Context context, String account, String password) {
        FileOutputStream fos=null;
        try{
            fos=context.openFileOutput("data.txt",Context.MODE_PRIVATE);
            fos.write((account +";"+password).getBytes());
            return true;
        }catch (Exception e){
            e.printStackTrace();
            return false;
        }finally {
            try{
                if (fos!=null){
                    fos.close();
                }
            }catch (IOException e){
                e.printStackTrace();
            }
        }

    }
    public static Map<String,String> getUserInfo(Context context){
        String content="";
        FileInputStream fis=null;
        try{
            fis=context.openFileInput("data.txt");
            byte[] buffer=new byte[fis.available()];
            fis.read(buffer);
            content=new String(buffer);
            Map<String,String> userMap=new HashMap<>();
            String[] info=content.split(";");
            userMap.put("account",info[0]);
            userMap.put("password",info[1]);
            return userMap;
        }catch (Exception e){
            e.printStackTrace();
            return null;
        }finally {
            try{
                if(fis!=null){
                    fis.close();
                }
            }catch (IOException e){
                e.printStackTrace();
            }
        }
    }
}
